11420454020 has 24 divisors (see below), whose sum is σ = 23991926784. Its totient is φ = 4566472416.

The previous prime is 11420454007. The next prime is 11420454029. The reversal of 11420454020 is 2045402411.

It is not an unprimeable number, because it can be changed into a prime (11420454029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51332 + ... + 159611.

It is an arithmetic number, because the mean of its divisors is an integer number (999663616).

Almost surely, 2^11420454020 is an apocalyptic number.

11420454020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11420454020 is an abundant number, since it is smaller than the sum of its proper divisors (12571472764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11420454020 is a wasteful number, since it uses less digits than its factorization.

11420454020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213659 (or 213657 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 11420454020 its reverse (2045402411), we get a palindrome (13465856431).

The spelling of 11420454020 in words is "eleven billion, four hundred twenty million, four hundred fifty-four thousand, twenty".